./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1035d962e39280c92969b9f7066ecadbc22a9f715d97d0ee182811f942c88e9b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:20:16,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:20:16,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:20:16,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:20:16,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:20:16,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:20:16,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:20:16,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:20:16,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:20:16,297 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:20:16,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:20:16,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:20:16,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:20:16,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:20:16,300 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:20:16,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:20:16,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:20:16,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:20:16,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:20:16,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:20:16,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:20:16,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:20:16,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:20:16,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:20:16,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:20:16,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:20:16,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:20:16,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:20:16,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:20:16,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:20:16,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:20:16,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:20:16,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:20:16,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:20:16,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:20:16,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:20:16,306 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:20:16,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:20:16,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:20:16,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:20:16,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:20:16,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:20:16,308 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1035d962e39280c92969b9f7066ecadbc22a9f715d97d0ee182811f942c88e9b [2024-11-20 02:20:16,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:20:16,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:20:16,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:20:16,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:20:16,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:20:16,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i [2024-11-20 02:20:17,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:20:18,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:20:18,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i [2024-11-20 02:20:18,039 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70711559/2ffc79a8a185415cb5895c0fe3d742cd/FLAGcea8f8a4d [2024-11-20 02:20:18,050 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70711559/2ffc79a8a185415cb5895c0fe3d742cd [2024-11-20 02:20:18,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:20:18,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:20:18,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:20:18,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:20:18,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:20:18,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77db03dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18, skipping insertion in model container [2024-11-20 02:20:18,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:20:18,205 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i[919,932] [2024-11-20 02:20:18,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:20:18,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:20:18,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i[919,932] [2024-11-20 02:20:18,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:20:18,329 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:20:18,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18 WrapperNode [2024-11-20 02:20:18,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:20:18,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:20:18,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:20:18,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:20:18,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,370 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-20 02:20:18,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:20:18,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:20:18,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:20:18,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:20:18,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,413 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 02:20:18,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:20:18,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:20:18,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:20:18,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:20:18,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (1/1) ... [2024-11-20 02:20:18,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:20:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:20:18,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 02:20:18,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 02:20:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:20:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:20:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:20:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:20:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:20:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:20:18,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:20:18,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:20:18,943 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-20 02:20:18,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:20:18,957 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:20:18,958 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:20:18,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:20:18 BoogieIcfgContainer [2024-11-20 02:20:18,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:20:18,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:20:18,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:20:18,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:20:18,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:20:18" (1/3) ... [2024-11-20 02:20:18,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4f43e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:20:18, skipping insertion in model container [2024-11-20 02:20:18,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:20:18" (2/3) ... [2024-11-20 02:20:18,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4f43e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:20:18, skipping insertion in model container [2024-11-20 02:20:18,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:20:18" (3/3) ... [2024-11-20 02:20:18,968 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-81.i [2024-11-20 02:20:18,979 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:20:18,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:20:19,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:20:19,051 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@719bacd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:20:19,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:20:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 48 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 02:20:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 02:20:19,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:19,075 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:19,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:19,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash -154945835, now seen corresponding path program 1 times [2024-11-20 02:20:19,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:19,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382311027] [2024-11-20 02:20:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:26,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:26,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382311027] [2024-11-20 02:20:26,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382311027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:26,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:26,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 02:20:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997534482] [2024-11-20 02:20:26,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:26,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 02:20:26,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:26,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 02:20:26,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:20:26,804 INFO L87 Difference]: Start difference. First operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 48 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:28,460 INFO L93 Difference]: Finished difference Result 280 states and 497 transitions. [2024-11-20 02:20:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 02:20:28,463 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2024-11-20 02:20:28,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:28,474 INFO L225 Difference]: With dead ends: 280 [2024-11-20 02:20:28,474 INFO L226 Difference]: Without dead ends: 207 [2024-11-20 02:20:28,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-20 02:20:28,481 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 388 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:28,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 534 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 02:20:28,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-20 02:20:28,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2024-11-20 02:20:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 82 states have internal predecessors, (106), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 02:20:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 210 transitions. [2024-11-20 02:20:28,567 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 210 transitions. Word has length 162 [2024-11-20 02:20:28,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:28,568 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 210 transitions. [2024-11-20 02:20:28,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 210 transitions. [2024-11-20 02:20:28,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 02:20:28,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:28,571 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:28,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:20:28,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:28,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:28,572 INFO L85 PathProgramCache]: Analyzing trace with hash 546118743, now seen corresponding path program 1 times [2024-11-20 02:20:28,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:28,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219439399] [2024-11-20 02:20:28,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:28,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:35,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:35,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219439399] [2024-11-20 02:20:35,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219439399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:35,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:35,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 02:20:35,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847474765] [2024-11-20 02:20:35,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:35,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 02:20:35,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:35,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 02:20:35,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:20:35,300 INFO L87 Difference]: Start difference. First operand 137 states and 210 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:20:36,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:36,416 INFO L93 Difference]: Finished difference Result 295 states and 441 transitions. [2024-11-20 02:20:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 02:20:36,417 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2024-11-20 02:20:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:36,420 INFO L225 Difference]: With dead ends: 295 [2024-11-20 02:20:36,421 INFO L226 Difference]: Without dead ends: 226 [2024-11-20 02:20:36,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-20 02:20:36,423 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 461 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:36,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 576 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 02:20:36,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-20 02:20:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 140. [2024-11-20 02:20:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 85 states have internal predecessors, (112), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 02:20:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 216 transitions. [2024-11-20 02:20:36,446 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 216 transitions. Word has length 162 [2024-11-20 02:20:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:36,447 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 216 transitions. [2024-11-20 02:20:36,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:20:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2024-11-20 02:20:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 02:20:36,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:36,450 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:36,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:20:36,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:36,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:36,450 INFO L85 PathProgramCache]: Analyzing trace with hash 804284181, now seen corresponding path program 1 times [2024-11-20 02:20:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:36,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652328240] [2024-11-20 02:20:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:36,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:37,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:37,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652328240] [2024-11-20 02:20:37,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652328240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:37,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:37,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 02:20:37,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878110443] [2024-11-20 02:20:37,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:37,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 02:20:37,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:37,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 02:20:37,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:20:37,400 INFO L87 Difference]: Start difference. First operand 140 states and 216 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:20:37,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:37,854 INFO L93 Difference]: Finished difference Result 273 states and 417 transitions. [2024-11-20 02:20:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:20:37,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2024-11-20 02:20:37,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:37,857 INFO L225 Difference]: With dead ends: 273 [2024-11-20 02:20:37,857 INFO L226 Difference]: Without dead ends: 186 [2024-11-20 02:20:37,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-20 02:20:37,858 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 299 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:37,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 390 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 02:20:37,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-20 02:20:37,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 142. [2024-11-20 02:20:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 87 states have internal predecessors, (113), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 02:20:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2024-11-20 02:20:37,873 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 162 [2024-11-20 02:20:37,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:37,873 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2024-11-20 02:20:37,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:20:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2024-11-20 02:20:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 02:20:37,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:37,876 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:37,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:20:37,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:37,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:37,876 INFO L85 PathProgramCache]: Analyzing trace with hash -741751849, now seen corresponding path program 1 times [2024-11-20 02:20:37,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:37,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079124318] [2024-11-20 02:20:37,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:37,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079124318] [2024-11-20 02:20:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079124318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:41,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:41,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 02:20:41,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612437466] [2024-11-20 02:20:41,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:41,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 02:20:41,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:41,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 02:20:41,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:20:41,842 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:42,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:42,221 INFO L93 Difference]: Finished difference Result 270 states and 408 transitions. [2024-11-20 02:20:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 02:20:42,221 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2024-11-20 02:20:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:42,224 INFO L225 Difference]: With dead ends: 270 [2024-11-20 02:20:42,224 INFO L226 Difference]: Without dead ends: 201 [2024-11-20 02:20:42,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:20:42,225 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 118 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:42,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 332 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:20:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-20 02:20:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 144. [2024-11-20 02:20:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 02:20:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 221 transitions. [2024-11-20 02:20:42,240 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 221 transitions. Word has length 162 [2024-11-20 02:20:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:42,241 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 221 transitions. [2024-11-20 02:20:42,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2024-11-20 02:20:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 02:20:42,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:42,243 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:42,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:20:42,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:42,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:42,243 INFO L85 PathProgramCache]: Analyzing trace with hash -40687271, now seen corresponding path program 1 times [2024-11-20 02:20:42,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:42,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626808217] [2024-11-20 02:20:42,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:42,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:46,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:46,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626808217] [2024-11-20 02:20:46,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626808217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:46,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 02:20:46,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374083311] [2024-11-20 02:20:46,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:46,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 02:20:46,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:46,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 02:20:46,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:20:46,091 INFO L87 Difference]: Start difference. First operand 144 states and 221 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:46,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:46,483 INFO L93 Difference]: Finished difference Result 245 states and 372 transitions. [2024-11-20 02:20:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 02:20:46,484 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2024-11-20 02:20:46,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:46,485 INFO L225 Difference]: With dead ends: 245 [2024-11-20 02:20:46,486 INFO L226 Difference]: Without dead ends: 157 [2024-11-20 02:20:46,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:20:46,488 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 80 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:46,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 320 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:20:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-20 02:20:46,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 135. [2024-11-20 02:20:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 02:20:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 208 transitions. [2024-11-20 02:20:46,509 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 208 transitions. Word has length 162 [2024-11-20 02:20:46,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:46,509 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 208 transitions. [2024-11-20 02:20:46,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2024-11-20 02:20:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:20:46,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:46,511 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:46,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 02:20:46,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:46,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1676475118, now seen corresponding path program 1 times [2024-11-20 02:20:46,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:46,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857611903] [2024-11-20 02:20:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:46,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:46,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:46,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857611903] [2024-11-20 02:20:46,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857611903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:46,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:46,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:20:46,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570041963] [2024-11-20 02:20:46,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:46,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:20:46,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:46,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:20:46,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:20:46,588 INFO L87 Difference]: Start difference. First operand 135 states and 208 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:46,642 INFO L93 Difference]: Finished difference Result 256 states and 387 transitions. [2024-11-20 02:20:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:20:46,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:20:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:46,644 INFO L225 Difference]: With dead ends: 256 [2024-11-20 02:20:46,644 INFO L226 Difference]: Without dead ends: 175 [2024-11-20 02:20:46,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:20:46,646 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 44 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:46,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 223 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:20:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-20 02:20:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-20 02:20:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 112 states have internal predecessors, (146), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:20:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 258 transitions. [2024-11-20 02:20:46,665 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 258 transitions. Word has length 163 [2024-11-20 02:20:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:46,665 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 258 transitions. [2024-11-20 02:20:46,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 258 transitions. [2024-11-20 02:20:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:20:46,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:46,666 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:46,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 02:20:46,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:46,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1283448108, now seen corresponding path program 1 times [2024-11-20 02:20:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:46,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087814414] [2024-11-20 02:20:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:51,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:51,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087814414] [2024-11-20 02:20:51,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087814414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:51,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:51,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 02:20:51,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431642668] [2024-11-20 02:20:51,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:51,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 02:20:51,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:51,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 02:20:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:20:51,415 INFO L87 Difference]: Start difference. First operand 172 states and 258 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:52,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:52,034 INFO L93 Difference]: Finished difference Result 373 states and 549 transitions. [2024-11-20 02:20:52,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:20:52,036 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:20:52,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:52,039 INFO L225 Difference]: With dead ends: 373 [2024-11-20 02:20:52,039 INFO L226 Difference]: Without dead ends: 261 [2024-11-20 02:20:52,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-20 02:20:52,040 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 157 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:52,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 506 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 02:20:52,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-20 02:20:52,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 182. [2024-11-20 02:20:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 121 states have (on average 1.322314049586777) internal successors, (160), 122 states have internal predecessors, (160), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:20:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 272 transitions. [2024-11-20 02:20:52,068 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 272 transitions. Word has length 163 [2024-11-20 02:20:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:52,068 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 272 transitions. [2024-11-20 02:20:52,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 272 transitions. [2024-11-20 02:20:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:20:52,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:52,074 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:52,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 02:20:52,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:52,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:52,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1984512686, now seen corresponding path program 1 times [2024-11-20 02:20:52,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:52,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141633498] [2024-11-20 02:20:52,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:52,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:20:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:20:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:20:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:20:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:20:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:20:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:20:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:20:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:20:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:20:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:20:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:20:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:20:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:20:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:20:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:20:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:20:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:20:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:20:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:20:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:20:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:20:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:20:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:20:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:20:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:20:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:20:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:20:56,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:20:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141633498] [2024-11-20 02:20:56,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141633498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:20:56,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:20:56,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 02:20:56,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645666676] [2024-11-20 02:20:56,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:20:56,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 02:20:56,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:20:56,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 02:20:56,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:20:56,621 INFO L87 Difference]: Start difference. First operand 182 states and 272 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:20:57,007 INFO L93 Difference]: Finished difference Result 313 states and 466 transitions. [2024-11-20 02:20:57,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 02:20:57,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:20:57,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:20:57,010 INFO L225 Difference]: With dead ends: 313 [2024-11-20 02:20:57,012 INFO L226 Difference]: Without dead ends: 201 [2024-11-20 02:20:57,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:20:57,014 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 77 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:20:57,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 419 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:20:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-20 02:20:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 180. [2024-11-20 02:20:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 119 states have (on average 1.319327731092437) internal successors, (157), 120 states have internal predecessors, (157), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:20:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 269 transitions. [2024-11-20 02:20:57,038 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 269 transitions. Word has length 163 [2024-11-20 02:20:57,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:20:57,038 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 269 transitions. [2024-11-20 02:20:57,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:20:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2024-11-20 02:20:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:20:57,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:20:57,040 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:20:57,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 02:20:57,040 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:20:57,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:20:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1607374928, now seen corresponding path program 1 times [2024-11-20 02:20:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:20:57,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062761302] [2024-11-20 02:20:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:20:57,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:20:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:21:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:21:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:21:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:21:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:21:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:21:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:21:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:21:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:21:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:21:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:21:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:21:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:21:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:21:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:21:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:21:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:21:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:21:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:21:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:21:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:21:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:21:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:21:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:21:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:21:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:21:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:21:01,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:21:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062761302] [2024-11-20 02:21:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062761302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:21:01,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:21:01,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 02:21:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189303098] [2024-11-20 02:21:01,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:21:01,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 02:21:01,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:21:01,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 02:21:01,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:21:01,851 INFO L87 Difference]: Start difference. First operand 180 states and 269 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:21:06,598 INFO L93 Difference]: Finished difference Result 457 states and 658 transitions. [2024-11-20 02:21:06,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 02:21:06,598 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:21:06,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:21:06,601 INFO L225 Difference]: With dead ends: 457 [2024-11-20 02:21:06,601 INFO L226 Difference]: Without dead ends: 337 [2024-11-20 02:21:06,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2024-11-20 02:21:06,602 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 553 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 02:21:06,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 591 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 02:21:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-20 02:21:06,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 183. [2024-11-20 02:21:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 123 states have internal predecessors, (162), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:21:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 274 transitions. [2024-11-20 02:21:06,624 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 274 transitions. Word has length 163 [2024-11-20 02:21:06,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:21:06,625 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 274 transitions. [2024-11-20 02:21:06,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 274 transitions. [2024-11-20 02:21:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:21:06,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:21:06,630 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:21:06,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 02:21:06,630 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:21:06,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:21:06,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2000401938, now seen corresponding path program 1 times [2024-11-20 02:21:06,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:21:06,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945973957] [2024-11-20 02:21:06,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:21:06,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:21:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:21:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:21:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:21:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:21:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:21:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:21:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:21:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:21:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:21:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:21:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:21:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:21:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:21:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:21:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:21:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:21:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:21:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:21:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:21:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:21:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:21:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:21:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:21:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:21:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:21:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:21:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:21:12,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:21:12,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945973957] [2024-11-20 02:21:12,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945973957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:21:12,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:21:12,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 02:21:12,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752665500] [2024-11-20 02:21:12,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:21:12,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 02:21:12,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:21:12,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 02:21:12,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:21:12,174 INFO L87 Difference]: Start difference. First operand 183 states and 274 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:12,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:21:12,967 INFO L93 Difference]: Finished difference Result 362 states and 532 transitions. [2024-11-20 02:21:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 02:21:12,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:21:12,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:21:12,970 INFO L225 Difference]: With dead ends: 362 [2024-11-20 02:21:12,971 INFO L226 Difference]: Without dead ends: 242 [2024-11-20 02:21:12,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-20 02:21:12,973 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 177 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 02:21:12,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 478 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 02:21:12,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-20 02:21:12,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 190. [2024-11-20 02:21:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 129 states have (on average 1.3488372093023255) internal successors, (174), 130 states have internal predecessors, (174), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:21:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 286 transitions. [2024-11-20 02:21:12,993 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 286 transitions. Word has length 163 [2024-11-20 02:21:12,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:21:12,994 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 286 transitions. [2024-11-20 02:21:12,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 286 transitions. [2024-11-20 02:21:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:21:12,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:21:12,995 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:21:12,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 02:21:12,995 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:21:12,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:21:12,996 INFO L85 PathProgramCache]: Analyzing trace with hash -906310350, now seen corresponding path program 1 times [2024-11-20 02:21:12,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:21:12,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550217357] [2024-11-20 02:21:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:21:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:21:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:21:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:21:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:21:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:21:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:21:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:21:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:21:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:21:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:21:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:21:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:21:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:21:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:21:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:21:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:21:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:21:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:21:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:21:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:21:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:21:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:21:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:21:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:21:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:21:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:21:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:21:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:21:18,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:21:18,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550217357] [2024-11-20 02:21:18,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550217357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:21:18,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:21:18,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 02:21:18,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003559540] [2024-11-20 02:21:18,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:21:18,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 02:21:18,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:21:18,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 02:21:18,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:21:18,083 INFO L87 Difference]: Start difference. First operand 190 states and 286 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:21,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:21:21,934 INFO L93 Difference]: Finished difference Result 473 states and 692 transitions. [2024-11-20 02:21:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 02:21:21,935 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:21:21,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:21:21,937 INFO L225 Difference]: With dead ends: 473 [2024-11-20 02:21:21,937 INFO L226 Difference]: Without dead ends: 346 [2024-11-20 02:21:21,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2024-11-20 02:21:21,938 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 419 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:21:21,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 545 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 02:21:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-20 02:21:21,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 191. [2024-11-20 02:21:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 130 states have (on average 1.353846153846154) internal successors, (176), 131 states have internal predecessors, (176), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:21:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 288 transitions. [2024-11-20 02:21:21,953 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 288 transitions. Word has length 163 [2024-11-20 02:21:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:21:21,954 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 288 transitions. [2024-11-20 02:21:21,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2024-11-20 02:21:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:21:21,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:21:21,955 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:21:21,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 02:21:21,955 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:21:21,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:21:21,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1299337360, now seen corresponding path program 1 times [2024-11-20 02:21:21,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:21:21,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064230656] [2024-11-20 02:21:21,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:21:21,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:21:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:21:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:21:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:21:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:21:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:21:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:21:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:21:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:21:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:21:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:21:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:21:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:21:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:21:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:21:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:21:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:21:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:21:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:21:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:21:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:21:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:21:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:21:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:21:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:21:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:21:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:21:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:21:27,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:21:27,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064230656] [2024-11-20 02:21:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064230656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:21:27,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:21:27,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 02:21:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609374140] [2024-11-20 02:21:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:21:27,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 02:21:27,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:21:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 02:21:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:21:27,914 INFO L87 Difference]: Start difference. First operand 191 states and 288 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:21:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:21:29,223 INFO L93 Difference]: Finished difference Result 435 states and 642 transitions. [2024-11-20 02:21:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 02:21:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-20 02:21:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:21:29,226 INFO L225 Difference]: With dead ends: 435 [2024-11-20 02:21:29,226 INFO L226 Difference]: Without dead ends: 308 [2024-11-20 02:21:29,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-20 02:21:29,227 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 258 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 02:21:29,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 610 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 02:21:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-20 02:21:29,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 190. [2024-11-20 02:21:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 129 states have (on average 1.3488372093023255) internal successors, (174), 130 states have internal predecessors, (174), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:21:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 286 transitions. [2024-11-20 02:21:29,241 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 286 transitions. Word has length 163 [2024-11-20 02:21:29,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:21:29,242 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 286 transitions. [2024-11-20 02:21:29,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:21:29,242 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 286 transitions. [2024-11-20 02:21:29,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:21:29,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:21:29,243 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:21:29,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 02:21:29,243 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:21:29,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:21:29,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2100786354, now seen corresponding path program 1 times [2024-11-20 02:21:29,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:21:29,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603135796] [2024-11-20 02:21:29,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:21:29,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:21:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:21:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:21:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:21:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:21:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:21:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:21:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:21:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:21:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:21:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:21:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:21:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:21:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:21:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:21:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:21:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:21:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:21:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:21:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:21:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:21:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:21:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:21:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:21:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:21:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:21:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:21:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:21:34,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:21:34,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603135796] [2024-11-20 02:21:34,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603135796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:21:34,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:21:34,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 02:21:34,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417994961] [2024-11-20 02:21:34,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:21:34,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 02:21:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:21:34,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 02:21:34,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:21:34,526 INFO L87 Difference]: Start difference. First operand 190 states and 286 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:38,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:21:38,327 INFO L93 Difference]: Finished difference Result 485 states and 701 transitions. [2024-11-20 02:21:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 02:21:38,327 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:21:38,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:21:38,329 INFO L225 Difference]: With dead ends: 485 [2024-11-20 02:21:38,329 INFO L226 Difference]: Without dead ends: 358 [2024-11-20 02:21:38,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2024-11-20 02:21:38,330 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 419 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:21:38,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 549 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 02:21:38,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-20 02:21:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 191. [2024-11-20 02:21:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 130 states have (on average 1.353846153846154) internal successors, (176), 131 states have internal predecessors, (176), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:21:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 288 transitions. [2024-11-20 02:21:38,347 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 288 transitions. Word has length 163 [2024-11-20 02:21:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:21:38,348 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 288 transitions. [2024-11-20 02:21:38,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2024-11-20 02:21:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:21:38,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:21:38,349 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:21:38,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 02:21:38,349 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:21:38,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:21:38,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1493116364, now seen corresponding path program 1 times [2024-11-20 02:21:38,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:21:38,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477188641] [2024-11-20 02:21:38,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:21:38,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:21:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:21:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:21:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:21:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:21:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:21:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:21:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:21:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:21:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:21:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:21:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:21:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:21:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:21:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:21:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:21:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:21:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:21:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:21:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:21:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:21:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:21:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:21:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:21:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:21:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:21:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:21:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:21:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:21:44,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:21:44,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477188641] [2024-11-20 02:21:44,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477188641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:21:44,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:21:44,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 02:21:44,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669384412] [2024-11-20 02:21:44,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:21:44,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 02:21:44,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:21:44,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 02:21:44,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:21:44,178 INFO L87 Difference]: Start difference. First operand 191 states and 288 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:46,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:21:46,522 INFO L93 Difference]: Finished difference Result 388 states and 574 transitions. [2024-11-20 02:21:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 02:21:46,522 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 02:21:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:21:46,524 INFO L225 Difference]: With dead ends: 388 [2024-11-20 02:21:46,525 INFO L226 Difference]: Without dead ends: 261 [2024-11-20 02:21:46,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=172, Invalid=334, Unknown=0, NotChecked=0, Total=506 [2024-11-20 02:21:46,526 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 303 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 02:21:46,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 458 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 02:21:46,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-20 02:21:46,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 192. [2024-11-20 02:21:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 131 states have (on average 1.3587786259541985) internal successors, (178), 132 states have internal predecessors, (178), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 02:21:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 290 transitions. [2024-11-20 02:21:46,546 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 290 transitions. Word has length 163 [2024-11-20 02:21:46,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:21:46,546 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 290 transitions. [2024-11-20 02:21:46,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:21:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 290 transitions. [2024-11-20 02:21:46,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 02:21:46,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:21:46,547 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:21:46,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 02:21:46,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:21:46,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:21:46,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1886143374, now seen corresponding path program 1 times [2024-11-20 02:21:46,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:21:46,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947134853] [2024-11-20 02:21:46,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:21:46,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms